Bergman Complexes of Lattice Path Matroids
Combinatorics
2015-08-21 v2
Abstract
We give an explicit description of the poset of cells of Bergman complexes of Lattice Path Matroids and establish a criterion for its simpliciality, in terms of the shape of the bounding paths.
Keywords
Cite
@article{arxiv.1207.4700,
title = {Bergman Complexes of Lattice Path Matroids},
author = {Emanuele Delucchi and Martin Dlugosch},
journal= {arXiv preprint arXiv:1207.4700},
year = {2015}
}
Comments
15 pages, 7 figures; substantial improvements in exposition. To appear in SIAM Journal of Discrete Mathematics (SIDMA)